using System;

namespace CharactersInRange
{
    class Program
    {
        static void Main(string[] args)
        {
            char inputOne = char.Parse(Console.ReadLine());
            char inputTwo = char.Parse(Console.ReadLine());

            PrintTheCharsBetweenTwoChars(inputOne, inputTwo);
        }

        private static void PrintTheCharsBetweenTwoChars(char one, char two)
        {
            int nextChar = one + 1;
            for (char i = Convert.ToChar(nextChar); i < two; i++)
            {
                Console.Write(i + " ");
            }
            Console.WriteLine();
        }
    }
}